A case usually reaches the Supreme Court after a losing party asks it to review a decision from a federal appeals court or a state's highest court. The case moves forward only if at least four Justices grant a petition for a writ of certiorari, the formal request for review. For most federal cases, that request comes after proceedings in a trial court and a federal court of appeals. Filing a petition puts the case before the Court, but does not mean the Justices will hear it.
Table of Contents
- The route through the lower courts
- Filing a certiorari petition
- What makes the Court take a case?
- How the Justices decide whether to hear it
- What happens after review is granted
The route through the lower courts
A federal case generally starts in a trial court, where the parties present their claims and evidence. A losing party may then appeal to a federal court of appeals, which reviews the contested parts of the lower-court proceedings. That appellate decision is usually final unless the Supreme Court agrees to review it, according to the U.S.
Courts explanation of federal appeals. The Supreme Court therefore is not normally the first court to consider a dispute. A party may also seek review after losing in a state's highest court. In either route, the party must ask the Supreme Court to take the case; another appeal does not begin automatically.
Filing a certiorari petition
A certiorari petition normally must be filed within 90 days of the relevant judgment. If a timely rehearing request was filed, the period generally runs from its denial. For good cause, a Justice may extend the deadline by up to 60 days under the Supreme Court's rules effective March 16, 2026. The petition must identify the questions the party wants the Court to decide.
Those questions must be concise and nonargumentative, and the Court ordinarily considers only them or issues fairly included within them. That makes the questions presented more than a summary. they define the proposed scope of review. A party tracking a possible petition should identify the controlling judgment date, account for any timely rehearing request and frame the federal question precisely.
What makes the Court take a case?
Certiorari is discretionary, not a right. The Court says it grants review only for compelling reasons, as described in its rules governing certiorari. Characteristic reasons include: The distinction is between correcting one case and resolving a broader legal problem.
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A claim that the lower court made a factual mistake, or misapplied a correctly stated rule, is rarely sufficient by itself. For example, conflicting appellate rulings may cause the same federal rule to operate differently in separate parts of the country. Supreme Court review can settle the legal question beyond the immediate dispute between the parties.
- A conflict among federal appellate courts or state high courts.
- An important federal question that remains unresolved.
- A lower-court ruling that conflicts with Supreme Court precedent.
How the Justices decide whether to hear it
A respondent may file a brief opposing review within 30 days after the petition is placed on the Court's docket. After the response period, the Clerk generally distributes the petition and response materials for the Justices to consider at conference. At least four of the nine Justices must vote to accept the case, a practice described in the U.S.
Courts overview of Supreme Court procedures. If fewer than four vote to grant review, the Court does not proceed to the merits and the lower-court judgment remains operative. If the Court grants certiorari, the Clerk enters the order and obtains the lower-court record when needed. The case then moves to merits briefing and oral argument.
What happens after review is granted
The merits stage addresses how the Court should resolve the legal question, not whether it should hear the case. The petitioner and respondent submit briefs explaining their positions under the schedule set for the case.
At oral argument, the petitioner opens and may reserve time to close. Each side normally receives 30 minutes before the Court moves into its decision process.
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